Garand gas port spec?


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dogrunner
June 11, 2011, 12:03 PM
Anyone happen to know gp diameter specification?

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1KPerDay
June 11, 2011, 12:22 PM
http://www.thehighroad.org/showthread.php?t=594031

see post 12

you need special gauges to measure ID of the gas cylinder apparently

dogrunner
June 11, 2011, 12:27 PM
Thanks, 1K..........but I need the actual bleed off hole diameter itself. Drill # would do fine. Anyway, I missed that thread & appreciate your direction to it.

1KPerDay
June 11, 2011, 03:56 PM
Ah, sorry. Misread

FlyinBryan
June 11, 2011, 05:26 PM
30-06 should be 0.0790" plus or minus 0.0015"
.308 should be 0.1050" plus or minus 0.0015"

so basically

30-06 should be between 0.0775 - 0.0805
.308 should be between 0.1035 - 0.1065

per toni pucci, president of orion 7, taken from original springfield armory drawing numbers 6535448, and 1101457, respectively

and concurred and included in "The M1 Garand Owners Guide",

by Scott A. Duff <-----------google this dude.

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